Home / 144,411.12-199,261.62-80,749.44

Finding the Fourth Proportional to 144,411.12, 199,261.62 and 80,749.44

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Solution

The fourth proportional to 144,411.12, 199,261.62 and 80,749.44 is: 111,419.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,411.12 : 199,261.62 = 80,749.44 : x
  2. Step 2: Convert to fraction form
    144,411.12/199,261.62 = 80,749.44/x
  3. Step 3: Cross multiply
    144,411.12x = 199,261.62 × 80,749.44
  4. Step 4: Simplify right side
    144,411.12x = 16,090,264,228.49
  5. Step 5: Solve for x
    x = 16,090,264,228.49/144,411.12
  6. Step 6: Final answer
    x = 111,419.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.